She will compete to be named Miss America 2014 in September in Atlantic City, N.J. Online voting is already taking place now. The final night of the pageant and the crowning of the winner will be shown live on WTAE Channel 4 on Sept. 15.

The only Miss Pennsylvania to win the national contest was Evelyn Ay, a native of Ephrata, Pa. She was Miss America 1954.

Rosellini volunteers with the American Heart Association and talks to elementary students about the importance of nutritious eating and regular activity. Her pageant platform is "Heart Disease Awareness and Prevention for Our Future."

Miss New York wins Miss America 2014

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Nina Davuluri, Miss New York, was crowned Miss America 2014 in last night's competition. Check out her best moments from the night and the other beautiful contestants.